mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-15 19:20:47 +01:00
253 lines
8.1 KiB
PHP
253 lines
8.1 KiB
PHP
<?php
|
|
/**
|
|
* The Horde_RPC:: class provides a set of server and client methods for
|
|
* RPC communication.
|
|
*
|
|
* TODO:
|
|
* - Introspection documentation and method signatures.
|
|
*
|
|
* EXAMPLE:
|
|
* <code>
|
|
* $response = Horde_RPC::request('xmlrpc',
|
|
* 'http://localhost:80/horde/rpc.php'
|
|
* 'contacts.search',
|
|
* array(array('jan'), array('localsql'),
|
|
* array('name', 'email')),
|
|
* array('user' => Auth::getAuth(),
|
|
* 'pass' => Auth::getCredential('password')));
|
|
* </code>
|
|
*
|
|
* $Horde: framework/RPC/RPC.php,v 1.14 2006/01/01 21:10:10 jan Exp $
|
|
*
|
|
* Copyright 2002-2006 Jan Schneider <jan@horde.org>
|
|
*
|
|
* See the enclosed file COPYING for license information (LGPL). If you
|
|
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
|
|
*
|
|
* @author Jan Schneider <jan@horde.org>
|
|
* @since Horde 3.0
|
|
* @package Horde_RPC
|
|
*/
|
|
class Horde_RPC {
|
|
|
|
/**
|
|
* Whether we need an authorized user or not.
|
|
*
|
|
* @access protected
|
|
* @var boolean
|
|
*/
|
|
var $_authorize = true;
|
|
|
|
/**
|
|
* RPC server constructor
|
|
*
|
|
* @access private
|
|
* @return object An RPC server instance.
|
|
*/
|
|
function Horde_RPC()
|
|
{
|
|
register_shutdown_function(array($this, 'shutdown'));
|
|
}
|
|
|
|
/**
|
|
* Cleans up the RPC server.
|
|
*
|
|
* @abstract
|
|
*/
|
|
function shutdown()
|
|
{
|
|
}
|
|
|
|
/**
|
|
* Check authentication. Different backends may handle
|
|
* authentication in different ways. The base class implementation
|
|
* checks for HTTP Authentication against the Horde auth setup.
|
|
*
|
|
* @return boolean Returns true if authentication is successful.
|
|
* Should send appropriate "not authorized" headers
|
|
* or other response codes/body if auth fails,
|
|
* and take care of exiting.
|
|
*/
|
|
function authorize()
|
|
{
|
|
if (!$this->_authorize) {
|
|
return true;
|
|
}
|
|
|
|
$auth = &Auth::singleton($GLOBALS['conf']['auth']['driver']);
|
|
|
|
if (isset($_SERVER['PHP_AUTH_USER'])) {
|
|
$user = $_SERVER['PHP_AUTH_USER'];
|
|
$pass = $_SERVER['PHP_AUTH_PW'];
|
|
}
|
|
|
|
if (!isset($user)
|
|
|| !$auth->authenticate($user, array('password' => $pass))) {
|
|
header('WWW-Authenticate: Basic realm="Horde RPC"');
|
|
header('HTTP/1.0 401 Unauthorized');
|
|
echo '401 Unauthorized';
|
|
exit;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Get the request body input. Different RPC backends can override
|
|
* this to return an open stream to php://stdin, for instance -
|
|
* whatever is easiest to handle in the getResponse() method.
|
|
*
|
|
* The base class implementation looks for $HTTP_RAW_POST_DATA and
|
|
* returns that if it's available; otherwise, it returns the
|
|
* contents of php://stdin.
|
|
*
|
|
* @return mixed The input - a string (default), a filehandle, etc.
|
|
*/
|
|
function getInput()
|
|
{
|
|
if (isset($GLOBALS['HTTP_RAW_POST_DATA'])) {
|
|
return $GLOBALS['HTTP_RAW_POST_DATA'];
|
|
} else {
|
|
return implode("\r\n", file('php://input'));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sends an RPC request to the server and returns the result.
|
|
*
|
|
* @param string The raw request string.
|
|
*
|
|
* @return string The XML encoded response from the server.
|
|
*/
|
|
function getResponse($request)
|
|
{
|
|
return _("not implemented");
|
|
}
|
|
|
|
/**
|
|
* Get the Content-Type of the response.
|
|
*
|
|
* @return string The MIME Content-Type of the RPC response.
|
|
*/
|
|
function getResponseContentType()
|
|
{
|
|
return 'text/xml';
|
|
}
|
|
|
|
/**
|
|
* Builds an RPC request and sends it to the RPC server.
|
|
*
|
|
* This statically called method is actually the RPC client.
|
|
*
|
|
* @param string $driver The protocol driver to use. Currently 'soap'
|
|
* and 'xmlrpc' are available.
|
|
* @param string $url The path to the RPC server on the called host.
|
|
* @param string $method The method to call.
|
|
* @param array $params A hash containing any necessary parameters for
|
|
* the method call.
|
|
* @param $options Associative array of parameters depending on
|
|
* the selected protocol driver.
|
|
*
|
|
* @return mixed The returned result from the method or a PEAR
|
|
* error object on failure.
|
|
*/
|
|
function request($driver, $url, $method, $params = null, $options = array())
|
|
{
|
|
if (is_array($driver)) {
|
|
list($app, $driver) = $driver;
|
|
}
|
|
|
|
$driver = basename($driver);
|
|
|
|
if (!empty($app)) {
|
|
require_once $app . '/lib/RPC/' . $driver . '.php';
|
|
} elseif (@file_exists(dirname(__FILE__) . '/RPC/' . $driver . '.php')) {
|
|
require_once dirname(__FILE__) . '/RPC/' . $driver . '.php';
|
|
} else {
|
|
@include_once 'Horde/RPC/' . $driver . '.php';
|
|
}
|
|
$class = 'Horde_RPC_' . $driver;
|
|
if (class_exists($class)) {
|
|
return call_user_func(array($class, 'request'), $url, $method, $params, $options);
|
|
} else {
|
|
require_once 'PEAR.php';
|
|
return PEAR::raiseError('Class definition of ' . $class . ' not found.');
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Attempts to return a concrete RPC server instance based on
|
|
* $driver.
|
|
*
|
|
* @param mixed $driver The type of concrete RPC subclass to return. If
|
|
* $driver is an array, then we will look in
|
|
* $driver[0]/lib/RPC/ for the subclass
|
|
* implementation named $driver[1].php.
|
|
* @param array $params A hash containing any additional configuration or
|
|
* connection parameters a subclass might need.
|
|
*
|
|
* @return Horde_RPC The newly created concrete Horde_RPC server instance,
|
|
* or a PEAR_Error on an error.
|
|
*/
|
|
function &factory($driver, $params = null)
|
|
{
|
|
if (is_array($driver)) {
|
|
list($app, $driver) = $driver;
|
|
}
|
|
|
|
$driver = basename($driver);
|
|
|
|
if (!empty($app)) {
|
|
require_once $app . '/lib/RPC/' . $driver . '.php';
|
|
} elseif (@file_exists(dirname(__FILE__) . '/RPC/' . $driver . '.php')) {
|
|
require_once dirname(__FILE__) . '/RPC/' . $driver . '.php';
|
|
} else {
|
|
@include_once 'Horde/RPC/' . $driver . '.php';
|
|
}
|
|
$class = 'Horde_RPC_' . $driver;
|
|
if (class_exists($class)) {
|
|
$rpc = &new $class($params);
|
|
} else {
|
|
require_once 'PEAR.php';
|
|
$rpc = PEAR::raiseError('Class definition of ' . $class . ' not found.');
|
|
}
|
|
|
|
return $rpc;
|
|
}
|
|
|
|
/**
|
|
* Attempts to return a reference to a concrete RPC server
|
|
* instance based on $driver. It will only create a new instance
|
|
* if no RPC server instance with the same parameters currently
|
|
* exists.
|
|
*
|
|
* This should be used if multiple RPC servers (and thus, multiple RPC
|
|
* server instances) are required.
|
|
*
|
|
* This method must be invoked as: $var = &Horde_RPC::singleton()
|
|
*
|
|
* @param string $driver The type of concrete RPC subclass to return.
|
|
* @param array $params A hash containing any additional configuration or
|
|
* connection parameters a subclass might need.
|
|
*
|
|
* @return Horde_RPC The concrete Horde_RPC server reference, or a
|
|
* PEAR_Error on an error.
|
|
*/
|
|
function &singleton($driver, $params = null)
|
|
{
|
|
static $instances;
|
|
|
|
if (!isset($instances)) {
|
|
$instances = array();
|
|
}
|
|
|
|
$signature = serialize(array($driver, $params));
|
|
if (!array_key_exists($signature, $instances)) {
|
|
$instances[$signature] = &Horde_RPC::factory($driver, $params);
|
|
}
|
|
|
|
return $instances[$signature];
|
|
}
|
|
|
|
}
|